Because you like Violet Crawley in Downton Abbey

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.

This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.

Aang is already a master airbender and once he learns to manipulate water, earth, and fire, he'll be truly unbeatable. See them in Avatar: The Last Airbender.

A majestic ruler, Mufasa is respected throughout the animal kingdom. See them in The Lion King.

Terence Fletcher is a brutal and unflinchingly strict music teacher hell-bent on whipping his students into shape. See them in Whiplash.

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.